oleaut32: Fix RecordCopy()/RecordClear() behavior.

dlls/oleaut32/recinfo.c

@@ -27,6 +27,7 @@
 #include "objbase.h"
 #include "oaidl.h"
 #include "oleauto.h"
+#include "variant.h"
 
 #include "wine/unicode.h"
 #include "wine/debug.h"
@@ -236,6 +237,7 @@ static HRESULT WINAPI IRecordInfoImpl_RecordClear(IRecordInfo *iface, PVOID pvEx
             case VT_UI8:
             case VT_INT:
             case VT_UINT:
+            case VT_HRESULT:
                 break;
             case VT_INT_PTR:
             case VT_UINT_PTR:
@@ -244,6 +246,15 @@ static HRESULT WINAPI IRecordInfoImpl_RecordClear(IRecordInfo *iface, PVOID pvEx
             case VT_SAFEARRAY:
                 SafeArrayDestroy(var);
                 break;
+            case VT_UNKNOWN:
+            case VT_DISPATCH:
+            {
+                IUnknown *unk = *(IUnknown**)var;
+                if (unk)
+                    IUnknown_Release(unk);
+                *(void**)var = NULL;
+                break;
+            }
             default:
                 FIXME("Not supported vt = %d\n", This->fields[i].vt);
                 break;
@@ -257,14 +268,72 @@ static HRESULT WINAPI IRecordInfoImpl_RecordCopy(IRecordInfo *iface, PVOID pvExi
                                                 PVOID pvNew)
 {
     IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
+    HRESULT hr = S_OK;
+    int i;
 
     TRACE("(%p)->(%p %p)\n", This, pvExisting, pvNew);
-    
+
     if(!pvExisting || !pvNew)
         return E_INVALIDARG;
 
-    memcpy(pvExisting, pvNew, This->size);
-    return S_OK;
+    /* release already stored data */
+    IRecordInfo_RecordClear(iface, pvNew);
+
+    for (i = 0; i < This->n_vars; i++)
+    {
+        void *src, *dest;
+
+        if (This->fields[i].varkind != VAR_PERINSTANCE) {
+            ERR("varkind != VAR_PERINSTANCE\n");
+            continue;
+        }
+
+        src  = ((BYTE*)pvExisting) + This->fields[i].offset;
+        dest = ((BYTE*)pvNew) + This->fields[i].offset;
+        switch (This->fields[i].vt)
+        {
+            case VT_BSTR:
+            {
+                BSTR src_str = *(BSTR*)src;
+
+                if (src_str)
+                {
+                    BSTR str = SysAllocString(*(BSTR*)src);
+                    if (!str) hr = E_OUTOFMEMORY;
+
+                    *(BSTR*)dest = str;
+                }
+                else
+                    *(BSTR*)dest = NULL;
+                break;
+            }
+            case VT_UNKNOWN:
+            case VT_DISPATCH:
+            {
+                IUnknown *unk = *(IUnknown**)src;
+                *(IUnknown**)dest = unk;
+                if (unk) IUnknown_AddRef(unk);
+                break;
+            }
+            case VT_SAFEARRAY:
+                hr = SafeArrayCopy(src, dest);
+                break;
+            default:
+            {
+                /* copy directly for types that don't need deep copy */
+                int len = get_type_size(NULL, This->fields[i].vt);
+                memcpy(dest, src, len);
+                break;
+            }
+        }
+
+        if (FAILED(hr)) break;
+    }
+
+    if (FAILED(hr))
+        IRecordInfo_RecordClear(iface, pvNew);
+
+    return hr;
 }
 
 static HRESULT WINAPI IRecordInfoImpl_GetGuid(IRecordInfo *iface, GUID *pguid)

dlls/oleaut32/tests/test_tlb.idl

@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#pragma makedep ident
 #pragma makedep typelib
 
 import "oaidl.idl"; /* needed by widl */
@@ -42,6 +43,9 @@ library Test
 	[uuid(4029f190-ca4a-4611-aeb9-673983cb96dd)]
 	struct test_struct
 	{
-		HRESULT f;
+		HRESULT hr;
+		VARIANT_BOOL b;
+		IDispatch *disp;
+		BSTR bstr;
 	};
 }

dlls/oleaut32/tests/typelib.c

@@ -35,6 +35,7 @@
 #include "tmarshal.h"
 
 #include "test_reg.h"
+#include "test_tlb.h"
 
 #define expect_eq(expr, value, type, format) { type _ret = (expr); ok((value) == _ret, #expr " expected " format " got " format "\n", value, _ret); }
 #define expect_int(expr, value) expect_eq(expr, (int)(value), int, "%d")
@@ -3938,7 +3939,7 @@ static const type_info info[] = {
 {
   "test_struct",
   "{4029f190-ca4a-4611-aeb9-673983cb96dd}",
-  /* kind */ TKIND_RECORD, /*flags*/ 0, /*align*/ 4, /*size*/ 4
+  /* kind */ TKIND_RECORD, /*flags*/ 0, /*align*/ 4, /*size*/ sizeof(struct test_struct)
 }
 };
 

dlls/oleaut32/tests/vartype.c

@@ -25,6 +25,11 @@
 #include "oleauto.h"
 #include <math.h>
 #include <stdio.h>
+#include "test_tlb.h"
+
+#include "initguid.h"
+
+DEFINE_GUID(UUID_test_struct, 0x4029f190, 0xca4a, 0x4611, 0xae,0xb9,0x67,0x39,0x83,0xcb,0x96,0xdd);
 
 /* Some Visual C++ versions choke on __uint64 to float conversions.
  * To fix this you need either VC++ 6.0 plus the processor pack
@@ -6265,6 +6270,129 @@ static void test_bstr_cache(void)
     SysFreeString(str2);
 }
 
+static void write_typelib(int res_no, const char *filename)
+{
+    DWORD written;
+    HANDLE file;
+    HRSRC res;
+    void *ptr;
+
+    file = CreateFileA( filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
+    ok( file != INVALID_HANDLE_VALUE, "file creation failed\n" );
+    if (file == INVALID_HANDLE_VALUE) return;
+    res = FindResourceA( GetModuleHandleA(NULL), (LPCSTR)MAKEINTRESOURCE(res_no), "TYPELIB" );
+    ok( res != 0, "couldn't find resource\n" );
+    ptr = LockResource( LoadResource( GetModuleHandleA(NULL), res ));
+    WriteFile( file, ptr, SizeofResource( GetModuleHandleA(NULL), res ), &written, NULL );
+    ok( written == SizeofResource( GetModuleHandleA(NULL), res ), "couldn't write resource\n" );
+    CloseHandle( file );
+}
+
+static const char *create_test_typelib(int res_no)
+{
+    static char filename[MAX_PATH];
+
+    GetTempFileNameA( ".", "tlb", 0, filename );
+    write_typelib(res_no, filename);
+    return filename;
+}
+
+static void test_recinfo(void)
+{
+    static const WCHAR testW[] = {'t','e','s','t',0};
+    static WCHAR teststructW[] = {'t','e','s','t','_','s','t','r','u','c','t',0};
+    struct test_struct teststruct, testcopy;
+    WCHAR filenameW[MAX_PATH];
+    const char *filename;
+    IRecordInfo *recinfo;
+    ITypeInfo *typeinfo;
+    DummyDispatch dispatch;
+    ITypeLib *typelib;
+    TYPEATTR *attr;
+    MEMBERID memid;
+    UINT16 found;
+    HRESULT hr;
+    ULONG size;
+
+    filename = create_test_typelib(2);
+    MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, MAX_PATH);
+    hr = LoadTypeLibEx(filenameW, REGKIND_NONE, &typelib);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    typeinfo = NULL;
+    found = 1;
+    hr = ITypeLib_FindName(typelib, teststructW, 0, &typeinfo, &memid, &found);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(typeinfo != NULL, "got %p\n", typeinfo);
+    hr = ITypeInfo_GetTypeAttr(typeinfo, &attr);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(IsEqualGUID(&attr->guid, &UUID_test_struct), "got %s\n", wine_dbgstr_guid(&attr->guid));
+    ok(attr->typekind == TKIND_RECORD, "got %d\n", attr->typekind);
+
+    hr = GetRecordInfoFromTypeInfo(typeinfo, &recinfo);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    size = 0;
+    hr = IRecordInfo_GetSize(recinfo, &size);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(size == sizeof(struct test_struct), "got size %d\n", size);
+    ok(attr->cbSizeInstance == sizeof(struct test_struct), "got instance size %d\n", attr->cbSizeInstance);
+    ITypeInfo_ReleaseTypeAttr(typeinfo, attr);
+
+    /* RecordInit() */
+    teststruct.hr = E_FAIL;
+    teststruct.b = 0x1;
+    teststruct.disp = (void*)0xdeadbeef;
+    teststruct.bstr = (void*)0xdeadbeef;
+
+    hr = IRecordInfo_RecordInit(recinfo, &teststruct);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(teststruct.hr == 0, "got 0x%08x\n", teststruct.hr);
+    ok(teststruct.b == 0, "got 0x%08x\n", teststruct.b);
+    ok(teststruct.disp == NULL, "got %p\n", teststruct.disp);
+    ok(teststruct.bstr == NULL, "got %p\n", teststruct.bstr);
+
+    init_test_dispatch(10, VT_UI1, &dispatch);
+
+    /* RecordCopy(), interface field reference increased */
+    teststruct.hr = S_FALSE;
+    teststruct.b = VARIANT_TRUE;
+    teststruct.disp = &dispatch.IDispatch_iface;
+    teststruct.bstr = SysAllocString(testW);
+    memset(&testcopy, 0, sizeof(testcopy));
+    hr = IRecordInfo_RecordCopy(recinfo, &teststruct, &testcopy);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(testcopy.hr == S_FALSE, "got 0x%08x\n", testcopy.hr);
+    ok(testcopy.b == VARIANT_TRUE, "got %d\n", testcopy.b);
+    ok(testcopy.disp == teststruct.disp, "got %p\n", testcopy.disp);
+    ok(dispatch.ref == 11, "got %d\n", dispatch.ref);
+    ok(testcopy.bstr != teststruct.bstr, "got %p\n", testcopy.bstr);
+    ok(!lstrcmpW(testcopy.bstr, teststruct.bstr), "got %s, %s\n", wine_dbgstr_w(testcopy.bstr), wine_dbgstr_w(teststruct.bstr));
+
+    /* RecordClear() */
+    hr = IRecordInfo_RecordClear(recinfo, &teststruct);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(teststruct.bstr == NULL, "got %p\n", teststruct.bstr);
+    hr = IRecordInfo_RecordClear(recinfo, &testcopy);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(testcopy.bstr == NULL, "got %p\n", testcopy.bstr);
+
+    /* now destination contains inteface pointer */
+    memset(&testcopy, 0, sizeof(testcopy));
+    testcopy.disp = &dispatch.IDispatch_iface;
+    dispatch.ref = 10;
+
+    hr = IRecordInfo_RecordCopy(recinfo, &teststruct, &testcopy);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(dispatch.ref == 9, "got %d\n", dispatch.ref);
+
+    IRecordInfo_Release(recinfo);
+
+    ITypeInfo_Release(typeinfo);
+    ITypeLib_Release(typelib);
+    DeleteFileA(filename);
+}
+
 START_TEST(vartype)
 {
   hOleaut32 = GetModuleHandleA("oleaut32.dll");
@@ -6566,4 +6694,6 @@ START_TEST(vartype)
 
   test_NullByRef();
   test_ChangeType_keep_dst();
+
+  test_recinfo();
 }

dlls/oleaut32/usrmarshal.c

@@ -198,7 +198,7 @@ typedef struct
     DWORD switch_is;
 } variant_wire_t;
 
-static unsigned int get_type_size(ULONG *pFlags, VARTYPE vt)
+unsigned int get_type_size(ULONG *pFlags, VARTYPE vt)
 {
     if (vt & VT_ARRAY) return 4;
 
@@ -214,6 +214,7 @@ static unsigned int get_type_size(ULONG *pFlags, VARTYPE vt)
         return sizeof(SHORT);
     case VT_I4:
     case VT_UI4:
+    case VT_HRESULT:
         return sizeof(LONG);
     case VT_INT:
     case VT_UINT:

dlls/oleaut32/variant.h

@@ -124,7 +124,7 @@ typedef struct tagVARIANT_NUMBER_CHARS
   WCHAR cCurrencyDigitSeparator;
 } VARIANT_NUMBER_CHARS;
 
-
+unsigned int get_type_size(ULONG*, VARTYPE);
 BOOL VARIANT_GetLocalisedText(LANGID, DWORD, WCHAR *) DECLSPEC_HIDDEN;
 HRESULT VARIANT_ClearInd(VARIANTARG *) DECLSPEC_HIDDEN;
 BOOL get_date_format(LCID, DWORD, const SYSTEMTIME *,